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Biological Ceiling

Meaning

The Biological Ceiling refers to the inherent physiological limit or maximum capacity of a biological system, organ, or cellular process to respond to increasing stimulation or concentration of a substance. Beyond this specific point, further increases in input, such as hormone dosage or nutrient intake, will not yield additional beneficial effects and may even become counterproductive or harmful. This intrinsic boundary is often determined by genetic factors, receptor saturation, enzymatic limitations, or the body’s homeostatic feedback mechanisms.